PIC18LF2331-I/SP Microchip Technology, PIC18LF2331-I/SP Datasheet - Page 89
![IC MCU FLASH 4KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2331-I/SP
Manufacturer Part Number
PIC18LF2331-I/SP
Description
IC MCU FLASH 4KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18LF2331-ISO.pdf
(4 pages)
8.PIC18LF2331-ISO.pdf
(40 pages)
Specifications of PIC18LF2331-I/SP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18LF2331-ISO PDF datasheet #7
- PIC18LF2331-ISO PDF datasheet #8
- Current page: 89 of 392
- Download datasheet (4Mb)
8.3
The TBLRD instruction is used to retrieve data from
program memory and place it into data RAM. Table
reads from program memory are performed one byte at
a time.
TBLPTR points to a byte address in program space.
Executing a TBLRD instruction places the byte pointed
to into TABLAT. In addition, TBLPTR can be modified
automatically for the next table read operation.
FIGURE 8-4:
EXAMPLE 8-1:
2010 Microchip Technology Inc.
READ_WORD
Instruction Register
Reading the Flash Program
Memory
(IR)
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
TBLRD*+
MOVF
MOVWF
TBLRD*+
MOVF
MOVWF
READS FROM FLASH PROGRAM MEMORY
READING A FLASH PROGRAM MEMORY WORD
CODE_ADDR_UPPER
TBLPTRU
CODE_ADDR_HIGH
TBLPTRH
CODE_ADDR_LOW
TBLPTRL
TABLAT,W
WORD_EVEN
TABLAT,W
WORD_ODD
(Even Byte Address)
FETCH
PIC18F2331/2431/4331/4431
Program Memory
(Odd Byte Address)
; Load TBLPTR with the base
; address of the word
; read into TABLAT and increment TBLPTR
; get data
; read into TABLAT and increment TBLPTR
; get data
The internal program memory is typically organized by
words. The Least Significant bit of the address selects
between the high and low bytes of the word.
shows the interface between the internal program
memory and the TABLAT.
TBLPTR = xxxxx1
TBLRD
Read Register
TABLAT
TBLPTR = xxxxx0
DS39616D-page 89
Figure 8-4
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